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Image: Mushroom cloud sequence

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Description: Sequence showing mushroom cloud formation from a U.S. test at the Nevada Test Site. Probably from Operation Tumbler-Snapper, 1952 (rest of the film is from it). Frames 2-3 look a lot like one labeled as Upshot-Knothole Climax (1953), though. The scale is not precise, but the entire sequence from beginning to end is about 55 seconds, which makes each frame represent a 2.6 second interval. A good way to display it is like this:
Mushroom cloud formation sequence (to view, move the slidebar at the bottom of the picture with your mouse):
Title: Mushroom cloud sequence
Credit: Screen captures taken and formatted from the hi-res version of the end of this US government video: https://archive.org/details/a-bomb_blast_effects. Arranged by User:Fastfission (but no copyright on the arrangement is claimed).
Usage Terms: Public domain
License: Public domain
Attribution Required?: No

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